نتایج جستجو برای: Zagros Fold Belt

تعداد نتایج: 159620  

2004
Nadine McQuarrie

Balanced cross-sections across the Zagros fold–thrust belt in Iran are used to analyze the geometry of deformation within the sedimentary cover rocks, and to test the hypothesis of basement involved thrusting throughout the fold–thrust belt. Although the Zagros deformation front is a relatively rectilinear feature, the sinuous map-view morphology of the mountain front is a result of a 6 km stru...

Journal: :زمین شناسی مهندسی 0

(paper pages 133-156) zagros active fold-thrust belt lies on the northern margin of the arabian continental crust it is a young fold-thrust mountain belt currently shortening, thickening and uplifting as a result of the collision of the arabian and iranian plates. rethickening of crust during collisional orogenies could have been carried out by reversal of fault motion along the mesozoic normal...

Journal: :iranian journal of earth science 0
j. rahnama-rad department of geology, islamic azad university, zahedan branch, zahedan, iran, g. farhoudi islamic azad university, shiraz branch, shiraz, iran. h. ghorbani lar consultant, tehran, iran. sh. habibi mood department of geology, islamic azad university, zahedan branch, zahedan, iran, r. derakhshani department of geology, faculty of basic science, shahid bahonar university, kerman, iran

the most enigmatic problems with the nearly 200 salt domes pierced in the persian gulf and in the zagros mountain ranges (zmr) in southern iran, a unique morphology in the world, have been the matter of this study, which is based on a combination of field work, enhancement of satellite and aerial photographs etc. in the zmr, structural anomalies are frequently associated with similar facies dis...

Journal: :فیزیک زمین و فضا 0
حسین ایلاغی دانشجوی کارشناسی ارشد زلزله شناسی، پژوهشگاه بین المللی زلزله شناسی و مهندسی زلزله، تهران، ایران فرزام یمینی فرد استادیار، پژوهشگاه بین المللی زلزله شناسی و مهندسی زلزله، تهران، ایران محمد تاتار استادیار، پژوهشگاه بین المللی زلزله شناسی و مهندسی زلزله، تهران، ایران

the nw-se trending zagros fold and thrust belt extends for about 1,800 km from a location some 300 km se of the east anatolian fault in ne turkey to the strait of hormuz where the north-south trending zendan-minab-palami fault system (zmp) separates the zagros belt from the makran accretionary prism. the ne limit of the zagros belt is marked by the main zagros reverse fault which is rotated abo...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1388

چکیده ندارد.

Journal: :journal of sciences, islamic republic of iran 2011
h. hajialibeigi

the khushab anticline is located in the zagros fold-thrust belt in the lurestan. this anticline is affected by the balarud fault zone, which is a part of mountain front fault between the lurestan and dezful embayment zones. based on the measurement of the elements of fold style, this anticline is analyzed. according to these measurements, this anticline is a noncylindrical, asymmetrical and dis...

Journal: Geopersia 2012
Ali Yassaghi Hossein Narimani Mohammad-Ghasem Hasan-Goodarzi

Allochthonous masses are common structures in Zagros fold-thrust belt. They are generally considered as collapse structures formed by the influence of gravity and in rock units with competency contrast. However, large allochthonous masses mapped in Dowgonbadan area in Dezful Embayment near the Mountain Front Fault (MFF) of Zagros show characteristics different from the belt common collapse stru...

Journal: :فیزیک زمین و فضا 0
سید محمود اظهری دانشجوی دکتری زلزله شناسی، گروه فیزیک زمین، موسسه ژئوفیزیک دانشگاه تهران، ایران مهدی رضاپور دانشیار، گروه فیزیک زمین، موسسه ژئوفیزیک دانشگاه تهران، ایران مصطفی جوان مهری کارشناس ارشد زلزله شناسی، گروه فیزیک زمین، موسسه ژئوفیزیک دانشگاه تهران، ایران

iran is located between two lithospheric plates (euroasia, arabian) and these two plates converge toward each other with a velocity of 25 mm/yr rate. shortening that produced from this convergence with makran subductin shows faulting and folding in zagros orogenic belt, alborz and kopedagh in north and sliding in sum strike slip faults with north-south trend in central iran. the nw-se trending ...

Journal: :geopersia 2012
hossein narimani ali yassaghi mohammad-ghasem hasan-goodarzi

allochthonous masses are common structures in zagros fold-thrust belt. they are generally considered as collapse structures formed by the influence of gravity and in rock units with competency contrast. however, large allochthonous masses mapped in dowgonbadan area in dezful embayment near the mountain front fault (mff) of zagros show characteristics different from the belt common collapse stru...

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